InChI=1/C20H20F4N2O/c21-16-15(7-4-8-26-9-11-27-12-10-26)17(22)19(24)20(18(16)23)25-13-14-5-2-1-3-6-14/h1-7,25H,8-13H2/b7-4+	8FF50936B4C88969